<template>
  <div ref="echartsDom" class="echarts-warp"></div>
</template>

<script lang="ts" name="Echarts" setup>
import * as echarts from 'echarts';
import {onUnmounted, watch} from "vue";

const props = defineProps({
  options: {
    type: Object,
    default: undefined
  }
})

const echartsDom = ref<HTMLElement>()
const myChart = ref()

const echartsRender = () => {
  if (!echartsDom.value) return
  if (!myChart.value) {
    myChart.value = echarts.init(echartsDom.value)
    toRaw(myChart.value).setOption(props.options);
  } else {
    toRaw(myChart.value).setOption(props.options, true);
  }
}

const echartsResize = () => {
  toRaw(myChart.value)?.resize?.()
}

onMounted(() => {
  window.addEventListener('resize', echartsResize)
})

onUnmounted(() => {
  window.removeEventListener('resize', echartsResize)
})

watch(() => props.options, () => {
  if (props.options) {
    nextTick(() => {
      echartsRender()
    })
  }
}, { immediate: true, deep: true })

</script>

<style scoped>
.echarts-warp {
  width: 100%;
  height: 100%;
}
</style>